This is mainly intended for ICS consumer chains that need authoritative governance.
Override modules for params and upgrades Cosmos SDK v0.45.x modules, with an added authority in the params. The authority is configurable for both modules in the genesis.json file at app_state.params.params.authority and app_state.upgrade.params.authority, respectively.
params has an additional message, MsgUpdateParams, which allows the authority to update params.
upgrade has additional messages MsgSoftwareUpgrade and MsgCancelUpgrade which allow the authority to schedule and cancel scheduled upgrades.
ibc-authority is a slim AppModuleBasic with messages MsgClientUpdate and MsgUpgrade, which allow the authority to substitute and upgrade light clients.